Imagine a universe with extremely strong gravity. Stars would be able to form from very little material. They would be smaller than in our universe and live for a much shorter amount of time. But could life evolve there? It took human life billions of years to evolve on Earth under the pleasantly warm rays from the Sun after all.
Fundamental constants: Is the universe fine-tuned for life?
- PhysOrg
- 15. 3 2023 (20:44)